Home / 7,929.79-10,943.40-4,393.06

Finding the Fourth Proportional to 7,929.79, 10,943.40 and 4,393.06

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Solution

The fourth proportional to 7,929.79, 10,943.40 and 4,393.06 is: 6,062.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.79 : 10,943.40 = 4,393.06 : x
  2. Step 2: Convert to fraction form
    7,929.79/10,943.40 = 4,393.06/x
  3. Step 3: Cross multiply
    7,929.79x = 10,943.40 × 4,393.06
  4. Step 4: Simplify right side
    7,929.79x = 48,075,012.80
  5. Step 5: Solve for x
    x = 48,075,012.80/7,929.79
  6. Step 6: Final answer
    x = 6,062.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.